<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item >
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordQuery" v-perm="'department:list'">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd" v-perm="'department:save'">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="150">
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="150">
      </el-table-column>
      <el-table-column prop="state" label="状态" width="150">
        <template scope="scope">
         <span v-if="scope.row.state==1" style="color: #11b95c">启用</span>
          <span v-else style="color: gray">禁用</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门经理" width="150">
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" min-width="180">
      </el-table-column>
      <el-table-column label="操作">
        <template scope="scope">
          <el-button size="small" @click="handlesave(scope.$index, scope.row)" v-perm="'department:save'">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)" v-perm="'department:delete'">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0" v-perm="'department:patchDel'">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :page-size="pageSize" :current-page="currentPage" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--
      :visible.sync="saveFormVisible" - 控制对话框是否显示，默认false不显示，点击按钮
      :close-on-click-modal="false" - 点击对话框外面不关闭
      label-width="80px" - 标题宽度
      :rules="saveFormRules" - 表单项验证
      ref="saveForm" - 表单验证
     -->
    <!--新增界面-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="saveForm.sn" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="saveForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="部门经理">
          <el-select v-model="saveForm.manager_id" placeholder="请选择">
            <el-option v-for="item in managers"
                       :label="item.username"
                       :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="上级部门">
          <!-- 级联框：
             :options="deptTree" - 数据 - 无限极树- 集合
             label:'name' - 回显哪一个属性值
             value:'id' - 传值，将id传递给v-model="saveForm.parent_id"
          -->
          <el-cascader v-model="saveForm.parent_id"
                       :options="deptTree"
                       :props="{ checkStrictly: true,label:'name',value:'id'}"
                       clearable></el-cascader>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>


export default {
  data() {
    return {
      departments: [],      //列表数据，回调函数中给它赋值
      listLoading: false,   //加载框
      currentPage: 1,       //当前页
      pageSize: 5,          //每页显示的条数
      totals: 0,            //总数量
      // 高级查询
      keyword: '',
      // 批量删除
      sels: [],//列表选中列, 批量操作
      // 添加和修改的数据
      saveFormVisible: false,//编辑界面是否显示
      title: '',
      saveLoading: false,
      // 验证规则
      saveFormRules: {
        sn: [
          {required: true, message: '请输入部门编号', trigger: 'blur'}
        ],
        name: [
          {required: true, message: '请输入部门名称', trigger: 'blur'}
        ]
      },
      // 对话框的数据
      saveForm: {
        id: null,
        sn: '',
        name: '',
        state: 1,
        manager_id: null,
        parent_id: null
      },
      // 保存部门经理
      managers: [],
      // 保存部门树
      deptTree: []
    }
  },

  methods: {
    //1.分页查询 - 获取部门列表
    getDepartments() {
      //组装参数
      let paras = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.keyword
      };
      //显示加载框
      this.listLoading = true;
      //使用axios发送分页请求
      this.$http.post("/department", paras).then(res => {
        this.departments = res.data.data;
        this.totals = res.data.totals;
        this.listLoading = false;
      }).catch(res => {
        this.$message.error("系统繁忙，请稍后重试!!!");
      });
    },

    //2.分页查询 - 点击分页栏触发方法
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },

    // 3. 高级查询
    keywordQuery() {
      // 将当前页码设置为1，不然会出现BUG
      this.currentPage = 1;
      this.getDepartments();
    },


    // 4. 删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        //NProgress.start();
        this.$http.delete("/department/" + row.id).then(res => {
          if (res.data.success) {
            let totalPage = Math.ceil(this.totals / this.pageSize)
            if (this.currentPage == totalPage && (this.totals - 1) % this.pageSize == 0 && this.currentPage != 1) {
              this.currentPage = this.currentPage - 1;
            }
            this.getDepartments();
          } else {
            this.$message.error("系统繁忙");
          }
          this.listLoading = false;
        }).catch(res => {
          this.$message.error("系统繁忙");
        })
      }).catch(() => {
      });
    },
    // 选项改变的时候触发：参数时每一个选中的对象
    selsChange: function (sels) {
      this.sels = sels;
    },
    // 5. 批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch("/department", ids).then(res => {
          if (res.data.success) {
            this.currentPage = 1;
            this.getDepartments();
          } else {
            this.$message.error("系统繁忙")
          }
          this.listLoading = false;
        }).catch(res => {
          this.$message.error("系统繁忙400")
        })
      }).catch(() => {
      });
    },


    //显示编辑界面
    handlesave: function (index, row) {
      this.title = "编辑";
      this.saveForm = Object.assign({}, row);
      // 加载部门经理
      this.getManagers();
      // 加载部门树
      this.getDeptTree();
      this.saveFormVisible = true;
    },
    //点击新增按钮弹出对话框
    handleAdd: function () {
      this.title = "新增";
      this.saveForm = {
        id: null,
        sn: '',
        name: '',
        state: 1,
        manager_id: null,
        parent_id: null
      };
      // 加载所有的经理
      this.getManagers();
      // 加载部门树
      this.getDeptTree();
      //弹出对话框
      this.saveFormVisible = true;
    },

    // 点击添加或修改的提交按钮提交数据
    saveSubmit: function () {
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            // 提交数据时上级部门数据格式做处理
            // console.log(this.saveForm.parent_id);
            let result = this.saveForm.parent_id;
            if (result == null || result.length == 0) {
              this.saveForm.parent_id = null;
            }
            if (result.length){
              this.saveForm.parent_id = result[result.length-1];
            }else {
              this.saveForm.parent_id = result;
            }

            this.$http.put("/department", this.saveForm).then(res => {
              if (res.data.success) {
                this.getDepartments();
              } else {
                this.$message.error("系统繁忙500")
              }
              this.saveLoading = false;
            }).catch(res => {
              this.$message.error("系统繁忙404")
              this.saveLoading = false;
            })
            // 关闭对话框
            this.saveFormVisible = false;
          });
        }
      });
    },
  // 获取所有的经理
  getManagers() {
    this.$http.get("/employee").then(res => {
      this.managers = res.data;
    })
  },
    getDeptTree(){
      this.$http.get("/department/departmentTree").then(res=>{
        this.deptTree = res.data;
      })
    }
},
      mounted() {
        this.getDepartments();
      }
    }


</script>

<style scoped>

</style>